redistribute subscriber -is this valid?

Hi,

reading through the config guides, I see that there is documentation that shows redistribution of statics, connected, and various routing protocols (am look at specifically ospf, and BGP).

Is redistributing subscriber into a routing protocol a supported option ? (it appears to allow me to do it). I understand that I cannot leak subscriber connected routes between VRFs, however would like to know if i can at least redistribute them, and that the redistribution is a "supported" function.

If not, any advice on how to dynamically allow routing to connected (ooops subscriber) interface would be appreciated, as advertising a summary to null, then relying on subscriber routes does not help when i have pools of various sizes that can move around.

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